If you enable either of the BOOLEAN values at the top of the script, you can have further control over the use of this Reward item.

The first one allows you to charge gold for each use of the customization menu. Individual changes can be controlled by adjusting the costs listed in the script right under the boolean value. Here is what the new Customization window looks like:

The second one allows you to make it so that using the quick change feature expends some amount of Stamina points from the player. This amount is also configurable. This reduction only takes place if the player adds clothes during the change.